package com.example.administrator.alarmservice;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import java.util.Calendar;


public class MainActivity extends AppCompatActivity implements OnClickListener{

    private static MainActivity appRef =null;
    private Button  b_call_service, b_exit_service;
    boolean k=false;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        appRef=this;
        setContentView(R.layout.activity_main);

        b_call_service =(Button)findViewById(R.id.call_alarm_service);
        b_call_service.setOnClickListener(this);
        b_exit_service=(Button)findViewById(R.id.exit);
        b_exit_service.setOnClickListener(this);

    }

    public static MainActivity getApp() {
        return appRef;
    }

    public void btEvent(String data){
        setTitle(data);
    }
    public void  onClick(View arg0){
        if (arg0 ==b_call_service){
            setTitle("waiting.....Alarm=5");
            Intent intent =new Intent(MainActivity.this,AlarmReceiver.class);
            PendingIntent p_intent =PendingIntent.getBroadcast(MainActivity.this,0,intent,0);

            Calendar calendar =Calendar.getInstance();
            calendar.setTimeInMillis(System.currentTimeMillis());
            calendar.add(Calendar.SECOND,3);
            AlarmManager am =(AlarmManager)getSystemService(ALARM_SERVICE);
            am.set(AlarmManager.RTC_WAKEUP,calendar.getTimeInMillis(),p_intent);
        }

        if (arg0 == b_exit_service) {
            Intent intent = new Intent(MainActivity.this, AlarmReceiver.class);
            PendingIntent p_intent = PendingIntent.getBroadcast(
                    MainActivity.this, 0, intent, 0);
            AlarmManager am = (AlarmManager) getSystemService(ALARM_SERVICE);
            am.cancel(p_intent);
            finish();

        }

    }


}
